UFO brake conversion

Mon May 16 08:33:16 PDT 2011

I know of no source of caliper overhaul kits for new boots, but they  
may be available.
I have repaired boots with Si caulk after cleaning well.

B
On May 16, 2011, at 8:15 AM, christopher locke wrote:

> i did the calipers, have one ripped boot.  have looked for  
> replacement boots to no avail.  the rubber seal inside is still  
> very intact.  cleaned up, relubed pins.  i'm using semi-metallic  
> pads, if you say they'll conform then the braking will get better  
> the first couple weeks of driving while the pads are conforming.   
> done...
>
> do you know of a source of new boots?  I'd love to replace them as  
> they crack and fail.
>
> c
>
>
> From: Bernie Benz <b.benz at charter.net>
> To: christopher locke <c.locke at snet.net>
> Cc: a200q20v 20v <a200q20v at gmail.com>
> Sent: Mon, May 16, 2011 11:07:53 AM
> Subject: Re: UFO brake conversion
>
> OK, here’s what I would do. Remove and overhaul the calipers. No  
> new parts needed if the boots are intact. Relube the guide pins.  
> Don’t worry about less than flat rotor active surfaces as long as  
> they do not exhibit excessive axial runout. If reusing old pads,  
> replace to same rotor surfaces. If new pads, they will quickly  
> conform to rotor surfaces. Flush the system, and biennially hereafter.
>
> Bernie
>
>
> On May 15, 2011, at 4:19 PM, christopher locke wrote:
>
>> I don't think it's apparent I have to spend money to feel good.   
>> I'm quite eager to not spend money, or more than I have to.  I'm  
>> inquiring into an area of which I am not familiar, and hoping for  
>> results and wisdom from people who have btdt that can help me.   
>> The surface of the rotors is not flat.  all groves are concentric  
>> with the hub, but they are not flat, and i fear that if I put new  
>> pads on this at this point of wear they'll heat up more because of  
>> the high spots where the pads hit, and will miss the entire swept  
>> area of the rotors.  Isn't that correct?  There are areas where  
>> the last pads were not hitting that are rusted as well, and I'm  
>> not sure what would happen if I only replaced the pads with the  
>> rotors in this shape.  I'm not sure I want my wife and kids in a  
>> car with rotors like that that have pads that do not fit evenly in  
>> all the grooves.  What to do about this condition?  I hope your  
>> comments weren't intended sarcastically, as I enjoy reading your  
>> postings to the 20vq-list and have learned a lot from your emails.
>> chris
>>
>> From: Bernie Benz <b.benz at charter.net>
>> To: christopher locke <c.locke at snet.net>
>> Cc: 200q 20v <a200q20v at gmail.com>
>> Sent: Sun, May 15, 2011 11:55:25 AM
>> Subject: Re: UFO brake conversion
>>
>> IMO, never, ever turn rotors, a down grade and waste of material.  
>> Rotors wear true, zero runout, thus used are better than new.  
>> Apparently you just have to spend money to feel good.
>>
>> Bernie
>>
>>
>> On May 15, 2011, at 5:36 AM, christopher locke wrote:
>>
>>> my lathe isnt' big enough (only by 1/2") to turn the rotors  
>>> myself, how to get them turned down then?
>>> c
>>>
>>> From: Bernie Benz <b.benz at charter.net>
>>> To: christopher locke <c.locke at snet.net>
>>> Sent: Sat, May 14, 2011 9:59:02 PM
>>> Subject: Re: UFO brake conversion
>>>
>>> What is way, way too thin?
>>> To me that would be the ribs are showing.
>>> Have 235K on my originals, under spec but that spec is Audi CYA,  
>>> designed to sell rotors.
>>> Overhaul the system and go with the UFOs!
>>> Old cars don’t deserve a downgrade to new parts.
>>>
>>> Bernie
>>>
>>> On May 14, 2011, at 4:57 PM, christopher locke wrote:
>>>
>>>> 2 reasons:
>>>> 1)  existing rotors are way too thin... way way too thin
>>>> 2)  new rotors are many hundreds.  i'm hoping a conversion is  
>>>> cheaper than new rotors...  if not, i get new rotors
>>>> thanks Bernie!
>>>> chris
>>>>
>>>> From: Bernie Benz <b.benz at charter.net>
>>>> To: christopher locke <c.locke at snet.net>
>>>> Sent: Sat, May 14, 2011 7:29:36 PM
>>>> Subject: Re: UFO brake conversion
>>>>
>>>> Go back and rethink why the UFOs are not serviceable.
>>>>
>>>> Bernie
>>>>
>>>>
>>>> On May 14, 2011, at 2:51 PM, christopher locke wrote:
>>>>
>>>> > Hi gang,
>>>> > I have two '91 200tq20v's and need to do front brakes.  the  
>>>> UFO's have finally
>>>> > had it, and I need a conversion that won't break the bank.  I  
>>>> don't race,
>>>> > they're just daily drivers.  What is a nice conversion that  
>>>> doesn't cost $$$?
>>>> > I'm sure I may get a flurry of answers, but that's ok.  I have  
>>>> no problem
>>>> > converting to a style of brake that's available on other cars  
>>>> - i.e. using used
>>>> > parts to do the conversion and being able to get new rotors  
>>>> and pads....  I read
>>>> > an article online about someone having to turn down the hub on  
>>>> a lathe (which I
>>>> > can do, i have a lathe) so a particular rotor would fit, and  
>>>> some caliper had 2
>>>> > of the 3 bolt holes line up, that sounds like it could work,  
>>>> but i'll be darned
>>>> > I can't find that article anywhere.
>>>> >
>>>> >
>>>> > What do you all think?
>>>> >
>>>> > chris
>>>> > '91 2C20VTQW
>>>> > '91 2C20VTQ
>>>> > _______________________________________________
>>>> > 200q20v mailing list    http://www.audifans.com/mailman/ 
>>>> listinfo/200q20v
>>>>
>>>
>>>
>>
>>
>
>